| Ecosystem | Type | Status | Ref. |
|---|---|---|---|
| Bañoles | Lake | introduced | 59043 |
| Ombrone | River (basin) | native | 45688 |
| Palearctic | Zoogeographic realm | endemic | 13696 |
| Po | River (basin) | native | 59043 |
| Rhine | River (basin) | native | 59043 |
| Rhône | River (basin) | native | 59043 |
| Soca | River (basin) | native | 59043 |
| Zrmanja River | River (basin) | native | 84350 |